Finding the Fourth Proportional to 1,023,657,927.68, 1,412,612,805.12 and 583,766,359.04
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Solution
The fourth proportional to 1,023,657,927.68, 1,412,612,805.12 and 583,766,359.04 is: 805,577,538.82
Step by Step Solution
- Step 1: Write the proportion equation
1,023,657,927.68 : 1,412,612,805.12 = 583,766,359.04 : x - Step 2: Convert to fraction form
1,023,657,927.68/1,412,612,805.12 = 583,766,359.04/x - Step 3: Cross multiply
1,023,657,927.68x = 1,412,612,805.12 × 583,766,359.04 - Step 4: Simplify right side
1,023,657,927.68x = 824,635,833,978,183,296 - Step 5: Solve for x
x = 824,635,833,978,183,296/1,023,657,927.68 - Step 6: Final answer
x = 805,577,538.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.